diff --git a/python/understack-workflows/understack_workflows/bmc_chassis_info.py b/python/understack-workflows/understack_workflows/bmc_chassis_info.py
index ce425abd..22a229f9 100644
--- a/python/understack-workflows/understack_workflows/bmc_chassis_info.py
+++ b/python/understack-workflows/understack_workflows/bmc_chassis_info.py
@@ -21,6 +21,7 @@ class InterfaceInfo:
     dhcp: bool = False
     remote_switch_mac_address: str | None = None
     remote_switch_port_name: str | None = None
+    remote_switch_data_stale: bool = False
 
 
 @dataclass(frozen=True)
@@ -232,16 +233,20 @@ def parse_lldp_port(port_data: dict[str, str]) -> dict:
     """
     mac = str(port_data["SwitchConnectionID"]).upper()
     port_name = normalize_interface_name(port_data["SwitchPortConnectionID"])
+    stale = str(port_data["StaleData"]) != "NotStale"
+
 
     if mac in ["NOT AVAILABLE", "NO LINK", "NOT SUPPORTED"]:
         return {
             "remote_switch_mac_address": None,
             "remote_switch_port_name": None,
+            "remote_switch_data_stale": stale,
         }
     else:
         return {
             "remote_switch_mac_address": mac,
             "remote_switch_port_name": port_name,
+            "remote_switch_data_stale": stale,
         }
 
 
diff --git a/python/understack-workflows/understack_workflows/nautobot_device.py b/python/understack-workflows/understack_workflows/nautobot_device.py
index b12bcd69..86946cc6 100644
--- a/python/understack-workflows/understack_workflows/nautobot_device.py
+++ b/python/understack-workflows/understack_workflows/nautobot_device.py
@@ -169,6 +169,9 @@ def nautobot_switches(nautobot, mac_addresses: set[str]) -> dict[str, dict]:
 
 
 def nautobot_switch(all_switches: dict[str, Any], interface: InterfaceInfo):
+    if interface.remote_switch_data_stale:
+        logger.info(f"Warning: BMC marked LLDP data stale for {interface.name}")
+
     if not interface.remote_switch_mac_address or not interface.remote_switch_port_name:
         raise ValueError(f"missing LDLDP info in {interface}")